/* ========================================
   BEN SEEGATZ — Portfolio
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --black:   #111111;
    --white:   #FFFFFF;
    --mid:     #888888;
    --dim:     #505050;
    --rule:    1px solid rgba(0,0,0,0.15);
    --rule-hd: 1px solid #111111;

    /* page backgrounds — medium strength pastels */
    --bg-home:     #D8E0C8;
    --bg-work:     #E5D9BE;
    --bg-projects: #C4CBDF;
    --bg-contact:  #DFC4C8;

    --accent: #0000FF;

    --font-mono: 'DM Mono', monospace;
    --font-sans: 'DM Sans', sans-serif;

    --bg-writing:  #C4DAD0;

    --nav-w: 220px;
    --top-h: 52px;
}

html, body {
    height: 100%;
    overflow: hidden;
    font-family: var(--font-sans);
    color: var(--black);
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   LAYOUT SHELL
   ======================================== */

.shell {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: var(--top-h) 1fr;
    height: 100vh;
    overflow: hidden;
}

.topbar {
    grid-column: 1 / -1;
    grid-row: 1;
    border-bottom: var(--rule-hd);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3.5rem;
    transition: background-color 0.4s ease;
    z-index: 210;
    position: relative;
}

/* ========================================
   3D CUBE MENU TOGGLE
   ======================================== */

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-shrink: 0;
    user-select: none;
}

.menu-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--dim);
    text-transform: uppercase;
    transition: color 0.2s;
}

.menu-toggle:hover .menu-label { color: var(--black); }

.cube-wrap {
    width: 30px;
    height: 30px;
    perspective: 80px;
}

.cube {
    width: 30px;
    height: 30px;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(-18deg) rotateY(18deg);
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-toggle:hover .cube {
    transform: rotateX(-28deg) rotateY(52deg);
}

.menu-toggle[aria-expanded="true"] .cube {
    transform: rotateY(180deg);
}

.cube-face {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border: 1px solid rgba(0,0,0,0.22);
}

.cube-face-front  { transform: translateZ(15px);              background: rgba(255,255,255,0.18); }
.cube-face-back   { transform: rotateY(180deg) translateZ(15px); background: rgba(255,255,255,0.18); }
.cube-face-right  { transform: rotateY(90deg)  translateZ(15px); background: rgba(0,0,0,0.10); }
.cube-face-left   { transform: rotateY(-90deg) translateZ(15px); background: rgba(0,0,0,0.05); }
.cube-face-top    { transform: rotateX(90deg)  translateZ(15px); background: rgba(255,255,255,0.25); }
.cube-face-bottom { transform: rotateX(-90deg) translateZ(15px); background: rgba(0,0,0,0.15); }

/* ========================================
   MENU BACKDROP
   ======================================== */

.menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 150;
    display: none;
}

.menu-backdrop.active { display: block; }

.topbar-name {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--black);
    letter-spacing: 0.04em;
    text-decoration: none;
    cursor: pointer;
}

/* ========================================
   PAGES
   ======================================== */

.pages {
    grid-column: 1;
    grid-row: 2;
    position: relative;
    overflow: hidden;
}

.page {
    position: absolute;
    inset: 0;
    overflow-y: auto;
    padding: 4rem 3.5rem 3rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.32s ease;
    -webkit-overflow-scrolling: touch;
}

.page.active {
    opacity: 1;
    pointer-events: auto;
}

.page-home     { background-color: var(--bg-home); }
.page-work     { background-color: var(--bg-work); }
.page-projects { background-color: var(--bg-projects); }
.page-writing  { background-color: var(--bg-writing); }
.page-contact  { background-color: var(--bg-contact); }

/* ========================================
   RIGHT SIDEBAR NAV
   ======================================== */

.sidenav {
    position: fixed;
    top: var(--top-h);
    right: 0;
    width: var(--nav-w);
    height: calc(100vh - var(--top-h));
    border-left: var(--rule-hd);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 1.5rem;
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.4s ease;
    z-index: 200;
    transform: translateX(100%);
}

.sidenav.open {
    transform: translateX(0);
}

.sidenav-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 0;
    cursor: pointer;
    border: none;
    background: none;
    text-align: left;
    width: 100%;
}

.sidenav-num {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--accent);
    letter-spacing: 0.06em;
    opacity: 0.3;
    transition: opacity 0.2s;
    flex-shrink: 0;
}

.sidenav-item.active .sidenav-num,
.sidenav-item:hover  .sidenav-num { opacity: 1; }

.sidenav-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--mid);
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

.sidenav-item.active .sidenav-label { color: var(--accent); }
.sidenav-item:hover  .sidenav-label { color: var(--black); }

.sidenav-counter {
    position: absolute;
    bottom: 1.5rem;
    left: 0; right: 0;
    padding: 0 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--mid);
    letter-spacing: 0.06em;
}

/* ========================================
   SHARED PAGE ELEMENTS
   ======================================== */

.page-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.page-label::before {
    content: '';
    display: block;
    width: 18px;
    height: 2px;
    background-color: var(--accent);
    flex-shrink: 0;
}

/* ========================================
   PAGE: ABOUT
   ======================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
    align-content: start;
}

.about-lead {
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--black);
    margin-bottom: 1.25rem;
}

.about-body {
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--dim);
    font-weight: 300;
}

.about-right { padding-top: 3rem; }

.detail-group { margin-bottom: 2.5rem; }

.detail-group-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(0,0,0,0.2);
}

.detail-row { padding: 0.8rem 0; }

.detail-row-title {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 0.15rem;
}

.detail-row-meta {
    font-family: var(--font-mono);
    font-size: 0.67rem;
    color: var(--mid);
    letter-spacing: 0.03em;
    margin-bottom: 0.2rem;
}

.detail-row-desc {
    font-size: 0.85rem;
    color: var(--dim);
    font-weight: 300;
    line-height: 1.5;
    margin-top: 0.15rem;
}

.edu-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--black);
    text-decoration: underline;
    text-underline-offset: 3px;
    letter-spacing: 0.04em;
    margin-right: 0.45rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem 1.5rem;
}

.skill-item {
    font-size: 0.9rem;
    color: var(--dim);
    font-weight: 300;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-item::before {
    content: '';
    display: block;
    width: 4px;
    height: 4px;
    background-color: var(--accent);
    flex-shrink: 0;
}

.tag-row { display: flex; flex-wrap: wrap; gap: 0.3rem; }

.tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    padding: 0.22rem 0.6rem;
    border: 1px solid rgba(0,0,0,0.25);
    color: var(--dim);
    background: transparent;
    transition: border-color 0.2s, color 0.2s;
    cursor: default;
}

.tag:hover { border-color: var(--accent); color: var(--accent); }

/* ========================================
   PAGE: WORK
   ======================================== */

.work-row {
    display: grid;
    grid-template-columns: 145px 1fr;
    gap: 2.5rem;
    padding: 1.75rem 0;
}

/* Only borders at the very top and between rows, no bottom noise */
.work-row + .work-row { border-top: var(--rule); }
.work-row--no-separator { border-top: none !important; }
.work-list > .work-row:first-child { border-top: var(--rule); }
.work-list > .work-row:last-child  { border-bottom: var(--rule); }

.work-date {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--dim);
    letter-spacing: 0.04em;
    padding-top: 0.1rem;
}

.work-role {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 0.15rem;
}

.work-org {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--dim);
    letter-spacing: 0.04em;
    margin-bottom: 0.1rem;
}

.work-location {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--mid);
    margin-bottom: 0.8rem;
}

.work-bullets { list-style: none; }

.work-bullets li {
    font-size: 0.88rem;
    color: var(--dim);
    font-weight: 300;
    padding-left: 1rem;
    margin-bottom: 0.3rem;
    position: relative;
    line-height: 1.65;
}

.work-bullets li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--mid);
    font-family: var(--font-mono);
}

/* ========================================
   PAGE: PROJECTS
   ======================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.25rem 2.5rem;
}

.project-card { cursor: pointer; }

.project-img {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    margin-bottom: 0.75rem;
    background-color: rgba(0,0,0,0.08);
}

.project-img img,
.project-img video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(10%);
    transition: filter 0.4s ease, transform 0.5s ease;
}

.project-card:hover .project-img img,
.project-card:hover .project-img video {
    filter: grayscale(0%);
    transform: scale(1.025);
}

.project-num {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--mid);
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 0.22rem;
}

.project-title {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 0.15rem;
    line-height: 1.3;
}

.project-subtitle {
    font-family: var(--font-mono);
    font-size: 0.67rem;
    color: var(--mid);
    margin-bottom: 0.5rem;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.25rem; }

.project-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.04em;
    padding: 0.15rem 0.45rem;
    border: 1px solid rgba(0,0,0,0.2);
    color: var(--mid);
    transition: border-color 0.2s, color 0.2s;
}

.project-card:hover .project-num { color: var(--accent); }
.project-card:hover .project-tag { border-color: var(--accent); color: var(--dim); }

/* ========================================
   PAGE: CONTACT
   ======================================== */

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-content: start;
}

.contact-heading {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 0.75rem;
}

.contact-intro {
    font-size: 0.92rem;
    color: var(--dim);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 2.25rem;
}

.contact-list { list-style: none; }

.contact-list-item {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    padding: 0.9rem 0;
}

/* Only dividers above first and between items, none below last */
.contact-list-item + .contact-list-item { border-top: var(--rule); }
.contact-list > .contact-list-item:first-child { border-top: var(--rule); }

.contact-list-key {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--mid);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    flex-shrink: 0;
    min-width: 65px;
}

.contact-list-val {
    font-size: 0.88rem;
    color: var(--black);
}

.contact-list-val a {
    color: var(--black);
    text-decoration: none;
    transition: color 0.2s;
}

.contact-list-val a:hover { color: var(--accent); }

/* CV block — minimal, beautiful */
.cv-block {
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.cv-block-inner {
    border-left: 2px solid var(--accent);
    padding: 1.5rem 1.75rem;
    background: rgba(255,255,255,0.35);
}

.cv-block-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--mid);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.cv-block-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 0.5rem;
}

.cv-block-text {
    font-size: 0.85rem;
    color: var(--dim);
    line-height: 1.7;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.cv-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0;
    background: none;
    color: var(--accent);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s;
}

.cv-btn::after {
    content: '↓';
    font-size: 0.85rem;
}

.cv-btn:hover { opacity: 0.65; }

/* ========================================
   MODALS
   ======================================== */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(10,10,10,0.72);
    z-index: 500;
    overflow-y: auto;
    padding: 3rem 2rem;
    -webkit-overflow-scrolling: touch;
}

.modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal-box {
    background-color: var(--white);
    max-width: 680px;
    width: 100%;
    padding: 2.75rem;
    position: relative;
    border-top: 2px solid var(--black);
    animation: modalIn 0.22s ease-out;
    max-height: 88vh;
    overflow-y: auto;
    margin: auto;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.modal-close {
    position: absolute;
    top: 1rem; right: 1.25rem;
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--mid);
    font-family: var(--font-mono);
    min-width: 36px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.modal-close:hover { color: var(--black); }

.modal-title {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 400;
    margin-bottom: 0.35rem;
    padding-right: 2rem;
}

.modal-sub {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--mid);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: var(--rule);
}

.modal-body {
    font-size: 0.9rem;
    line-height: 1.82;
    color: var(--dim);
}

.modal-body p { margin-bottom: 1rem; }

.modal-body h3 {
    font-family: var(--font-mono);
    font-size: 0.63rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 1.5rem 0 0.6rem;
    color: var(--black);
}

.modal-body ul { list-style: none; margin-bottom: 1rem; }

.modal-body ul li {
    padding-left: 1rem;
    margin-bottom: 0.45rem;
    position: relative;
}

.modal-body ul li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: var(--font-mono);
}

/* ========================================
   PAGE: WRITING
   ======================================== */

.writing-row {
    display: grid;
    grid-template-columns: 145px 1fr;
    gap: 2.5rem;
    padding: 1.75rem 0;
}

.writing-row + .writing-row { border-top: var(--rule); }
.writing-list > .writing-row:first-child { border-top: var(--rule); }
.writing-list > .writing-row:last-child  { border-bottom: var(--rule); }

.writing-date {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--dim);
    letter-spacing: 0.04em;
    padding-top: 0.1rem;
}

.writing-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 0.15rem;
}

.writing-pub {
    font-family: var(--font-mono);
    font-size: 0.67rem;
    color: var(--mid);
    letter-spacing: 0.04em;
    margin-bottom: 0.65rem;
}

.writing-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--accent);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    transition: opacity 0.2s;
}

.writing-link::after { content: '↗'; }
.writing-link:hover  { opacity: 0.6; }

/* ========================================
   SCROLL PROGRESS
   ======================================== */

#scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    background-color: var(--accent);
    z-index: 9999;
    width: 0;
    pointer-events: none;
}

/* ========================================
   TOPBAR + SIDENAV BG SYNC
   ======================================== */

.topbar.bg-home,     .sidenav.bg-home     { background-color: var(--bg-home);     }
.topbar.bg-work,     .sidenav.bg-work     { background-color: var(--bg-work);     }
.topbar.bg-projects, .sidenav.bg-projects { background-color: var(--bg-projects); }
.topbar.bg-writing,  .sidenav.bg-writing  { background-color: var(--bg-writing);  }
.topbar.bg-contact,  .sidenav.bg-contact  { background-color: var(--bg-contact);  }

/* ========================================
   MOBILE
   ======================================== */

@media (max-width: 768px) {
    :root { --top-h: 52px; }

    .shell {
        grid-template-columns: 1fr;
        grid-template-rows: var(--top-h) 1fr;
    }

    .topbar { padding: 0 1.25rem; }
    .page { padding: 2rem 1.25rem; }

    /* Full-width slide-in on mobile */
    .sidenav {
        width: 100%;
        border-left: none;
        border-bottom: var(--rule-hd);
        height: auto;
        padding: 2rem 1.5rem 2.5rem;
        justify-content: flex-start;
        gap: 0.25rem;
        box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    }

    .sidenav-counter { position: static; padding: 0; margin-top: 1.5rem; }

    .about-grid     { grid-template-columns: 1fr; gap: 2rem; }
    .contact-layout { grid-template-columns: 1fr; gap: 2rem; }
    .work-row       { grid-template-columns: 1fr; gap: 0.35rem; }
    .writing-row    { grid-template-columns: 1fr; gap: 0.35rem; }
    .projects-grid  { grid-template-columns: 1fr; }
}

.mobile-nav { display: none; }

.modal-body a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

.modal-body a:hover { opacity: 0.65; }

.modal-img {
    width: 100%;
    display: block;
    border-radius: 3px;
    margin-bottom: 1.25rem;
}

.modal-imgs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.modal-imgs .modal-img { margin-bottom: 0; }